The IAU August 2018 general assembly has various exoplanet-related stuff going on, it's worth browsing the list of abstracts (talks / posters). Personally, I hope the results of the presentation by Elena Starovoit get confirmed

Hmmm... not sure about that. Definitely there are some cases when Flamsteed designations are more common than the Bayer ones, often when the Bayer designation includes superscripts, or the Latin letter Bayer designations. So I'd be wary of anything being unnecessarily prescriptive about nomenclature preferences.